Protect your website with Zero Spam.

Stop website attacks before they start with the largest up-to-date, community-sourced, IP & email blacklist database in the world.

Protecting websites and applications has become a necessity. Privacy law crackdowns, evolving sophisticated spambots, malicious AI advances & growing hacker networks are making it harder to prevent and detect attacks. That’s where Zero Spam comes in.

Our global email and IP blacklist database is one of the most comprehensive available. It can be easily integrated and powered by a worldwide detection network of over 30,000+ sites whose traffic is monitored in real-time to detect, report, and prevent malicious activity.

Zero Spam

Over 8,862,449 attacks blocked on more than 11,930 sites.

Statistics updated daily.


Website protection is made easy with Zero Spam. We offer multiple integration options that are easy-to-follow for fast & effective protection.

Get a license.

Upgrade to a license to gain access to enhanced protection, exclusive insights, geolocation, additional requests, and premium support.


Search our blacklist database for reported spammy and malicious IP and email addresses, see past history, and exclusive insights.

I’m really skeptical of any plugin claiming “zero spam”, but I am honestly shocked at how well it’s performed... we’ve gone from 50+ spam comments and contact form attempts per day to zero.

Frequently Asked Questions

Find answers to common questions about Zero Spam’s IP & email blacklist below. Can’t find your question? Contact us.

Of course! But don’t take our word for it. Do your own research on our detection and blocking success rates. Every site is different, but on average, we’re seeing about a 96.8% decrease in spam and malicious activity when using Zero Spam.

Zero Spam uses numerous and regularly updated spam & malicious detection techniques like Honeypot, IP history, and more including our own AI-powered Zero Spam Confidence Score to detect and stop these attacks before they begin.

Are you a website or application owner or developer? Malicious & spammy users are like taxes — you can always count on them. Zero Spam can help protect your app from them and before the attack starts.

Zero Spam offers a four different levels, including FREE! Try it out & see the results before you spent a penny for full-time protection. Compare our subscriptions to find which is best for your needs.

Yes! Search for Zero Spam for WordPress or download it from the WordPress plugin repository.